re PR c++/49604 (forward-declared enum's elements in class scope gets default…

re PR c++/49604 (forward-declared enum's elements in class scope gets default access (class vs struct))

2017-05-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/49604
	* g++.dg/cpp0x/forw_enum14.C: New.
	* g++.dg/cpp0x/forw_enum15.C: Likewise.

From-SVN: r247969

gcc/testsuite/ChangeLog

+2017-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/49604
+	* g++.dg/cpp0x/forw_enum14.C: New.
+	* g++.dg/cpp0x/forw_enum15.C: Likewise.
+
 2017-05-12  Richard Biener  <rguenther@suse.de>
 
 	* g++.dg/tree-ssa/ssa-dse-2.C: Adjust.

gcc/testsuite/g++.dg/cpp0x/forw_enum14.C

+// PR c++/49604
+// { dg-do compile { target c++11 } }
+
+class MyTable {
+public:
+    enum Constants : unsigned;
+};
+
+enum MyTable::Constants : unsigned {
+    LENGTH = 12,
+};
+
+int main()
+{
+    return MyTable::LENGTH;
+}

gcc/testsuite/g++.dg/cpp0x/forw_enum15.C

+// PR c++/49604
+// { dg-do compile { target c++11 } }
+
+struct Foo
+{
+private:
+    int val;
+    enum impl_t : int;
+public:
+    Foo(impl_t v) : val(v) {}
+};
+enum Foo::impl_t : int { X };
+
+Foo test = Foo::X;  // { dg-error "private" }